<template>
	<div>
		<el-breadcrumb separator="/">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>

		<el-card>
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
						<el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
				</el-col>
			</el-row>

			<el-table :data="userList" border stripe>
				<el-table-column type="index"></el-table-column>
				<el-table-column label="姓名" prop="username"></el-table-column>
				<el-table-column label="邮箱" prop="email"></el-table-column>
				<el-table-column label="电话" prop="mobile"></el-table-column>
				<el-table-column label="角色" prop="role_name"></el-table-column>
				<el-table-column label="状态">
					<template v-slot="scope">
						<el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
						</el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作">
					<template v-slot="scope">
						<el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)">
						</el-button>
						<el-button type="danger" icon="el-icon-delete" size="mini"
							@click="deleteUserById(scope.row.id)"></el-button>
						<el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
							<el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)">
							</el-button>
						</el-tooltip>
					</template>
				</el-table-column>
			</el-table>

			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper" :total="total">
			</el-pagination>
		</el-card>

		<el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClose">
			<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
				<el-form-item label="用户名" prop="username">
					<el-input v-model="addForm.username"></el-input>
				</el-form-item>
				<el-form-item label="密码" prop="password">
					<el-input v-model="addForm.password"></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
					<el-input v-model="addForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机" prop="mobile">
					<el-input v-model="addForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			<span slot="footer" class="dialog-footer">
				<el-button @click="addDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="addUser">确 定</el-button>
			</span>
		</el-dialog>

		<el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
			<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
				<el-form-item label="用户名">
					<el-input v-model="editForm.username" disabled></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
					<el-input v-model="editForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机" prop="mobile">
					<el-input v-model="editForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			<span slot="footer" class="dialog-footer">
				<el-button @click="editDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="editUser">确 定</el-button>
			</span>
		</el-dialog>

		<!-- 分配角色对话框 -->
		<el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
			<div>
				<p>当前的用户：{{userInfo.username}}</p>
				<p>当前的角色：{{userInfo.role_name}}</p>
				<p>分配新角色：
					<el-select v-model="selectRoleId" placeholder="请选择">
						<el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
						</el-option>
					</el-select>
				</p>
			</div>
			<span slot="footer" class="dialog-footer">
				<el-button @click="setRoleDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="saveRole">确 定</el-button>
			</span>
		</el-dialog>
	</div>
</template>

<script>
	export default {
		data() {
			var checkEmail = (rule, value, cb) => {
				const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
				if (regEmail.test(value)) {
					return cb();
				}
				cb(new Error('请输入合法的邮箱!'));
			}
			var checkMobile = (rule, value, cb) => {
				const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
				if (regMobile.test(value)) {
					return cb();
				}
				cb(new Error('请输入合法的手机号码!'));
			}
			return {
				queryInfo: {
					query: '',
					pagenum: 1,
					pagesize: 2
				},
				userList: [],
				total: 0,
				addDialogVisible: false,
				editDialogVisible: false,
				addForm: {
					username: '',
					password: '',
					email: '',
					mobile: ''
				},
				addFormRules: {
					username: [{
						required: true,
						message: '请输入用户名',
						trigger: 'blur'
					}, {
						min: 3,
						max: 10,
						message: '用户名的长度再3~10个字符之间',
						trigger: 'blur'
					}],
					password: [{
						required: true,
						message: '请输入密码',
						trigger: 'blur'
					}, {
						min: 6,
						max: 15,
						message: '密码的长度再6~15个字符之间',
						trigger: 'blur'
					}],
					email: [{
						required: true,
						message: '请输入邮箱',
						trigger: 'blur'
					}, {
						validator: checkEmail,
						trigger: 'blur'
					}],
					mobile: [{
						required: true,
						message: '请输入手机',
						trigger: 'blur'
					}, {
						validator: checkMobile,
						trigger: 'blur'
					}]
				},
				editForm: {},
				editFormRules: {
					email: [{
						required: true,
						message: '请输入邮箱',
						trigger: 'blur'
					}, {
						validator: checkEmail,
						trigger: 'blur'
					}],
					mobile: [{
						required: true,
						message: '请输入手机',
						trigger: 'blur'
					}, {
						validator: checkMobile,
						trigger: 'blur'
					}]
				},
				setRoleDialogVisible: false,
				userInfo: {},
				rolesList: [],
				selectRoleId: ''
			}
		},
		created() {
			this.getUserList();
		},
		methods: {
			async getUserList() {
				const {
					data: res
				} = await this.$http.get('users', {
					params: this.queryInfo
				});
				if (res.meta.status !== 200) return this.$message.error('获取用户列表失败!');
				this.userList = res.data.users;
				this.total = res.data.total;
			},
			handleSizeChange(newSize) {
				this.queryInfo.pagesize = newSize;
				this.getUserList();
			},
			handleCurrentChange(newPage) {
				this.queryInfo.pagenum = newPage;
				this.getUserList();
			},
			async userStateChanged(userInfo) {
				const {
					data: res
				} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`);
				if (res.meta.status !== 200) {
					userInfo.mg_state = !userInfo.mg_state;
					return this.$message.error('更新用户状态失败!')
				};
				this.$message.success('用户状态更新成功!');
			},
			addDialogClose() {
				this.$refs.addFormRef.resetFields();
			},
			addUser() {
				this.$refs.addFormRef.validate(async valid => {
					if (!valid) return;
					const {
						data: res
					} = await this.$http.post('users', this.addForm);
					if (res.meta.status !== 201) return this.$message.error('添加用户失败!');
					this.$message.success('添加用户成功!');
					this.addDialogVisible = false;
					this.getUserList();
				})
			},
			async showEditDialog(id) {
				const {
					data: res
				} = await this.$http.get(`users/${id}`);
				if (res.meta.status !== 200) return this.$message.error('查询用户信息失败');
				this.editForm = res.data;
				this.editDialogVisible = true;
			},
			editDialogClose() {
				this.$refs.editFormRef.resetFields();
			},
			editUser() {
				this.$refs.editFormRef.validate(async valid => {
					if (!valid) return;
					const {
						data: res
					} = await this.$http.put(`users/${this.editForm.id}`, {
						mobile: this.editForm.mobile,
						email: this.editForm.email
					});
					if (res.meta.status !== 200) return this.$message.error('修改用户信息失败!');
					this.editDialogVisible = false;
					this.getUserList();
					this.$message.success('修改用户信息成功!');
				})
			},
			deleteUserById(id) {
				this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
					confirmButtonText: '确定',
					cancelButtonText: '取消',
					type: 'warning'
				}).then(async () => {
					const {
						data: res
					} = await this.$http.delete(`users/${id}`);
					if (res.meta.status !== 200) return this.$message.error('删除失败')
					this.$message({
						type: 'success',
						message: '删除成功!'
					});
					this.getUserList();
				}).catch(() => {
					this.$message({
						type: 'info',
						message: '已取消删除'
					});
				});
			},
			async setRole(userInfo) {
				this.userInfo = userInfo;
				const {
					data: res
				} = await this.$http.get('roles');
				if (res.meta.status !== 200) return this.$message.error('获取角色列表失败！');
				this.rolesList = res.data;
				this.setRoleDialogVisible = true;
			},
			async saveRole() {
				if(!this.selectRoleId) return this.$message.error('请选择要分配的角色！');
				const {data: res} = await this.$http.put(`users/${this.userInfo.id}/role`, {
					rid: this.selectRoleId
				});
				if(res.meta.status !== 200) return this.$message.error('更新角色失败！');
				this.$message.success('更新角色成功！');
				this.getUserList();
				this.setRoleDialogVisible = false;
			},
			setRoleDialogClosed() {
				this.selectRoleId = '';
				this.userInfo = '';
			}
		}
	}
</script>

<style lang="less" scoped>

</style>
